Needing replacement casement window seals

A quick learner from Aurora, Colorado says:
I need to purchase 100 feet of this seal in grey if you can locate it for me please.
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
It's hard to say for sure. Something like our 59-050 may work, but the only way to confirm is to remove a small sample of yours and compare its end shape and measurements to ours. See the image below for reference.
Profile view of 59-050
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